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MAN Energy Solutions

12V51/60DF Ammonia

The MAN 12V51/60DF Ammonia is a 12‑cylinder V‑type, low‑speed main engine delivering up to 13 200 kW at ~500 rpm, capable of running on ammonia or marine diesel oil in a seamless dual‑fuel mode.

MAN Energy Solutions 12V51/60DF Ammonia
13200.0 kW
Power

Engine Specifications

12
Cylinders
510 mm
Bore
600 mm
Stroke
4-stroke
Stroke Type

Components & Design

Component data being added…

Technical Data

Swept Volume per Cylinder 122.6 dm³
Output per Cylinder (MCR) 1050 kW @ 500-514 rpm
Diesel Fuel Consumption (85% MCR) 176 g/kWh
Gas Mode Consumption (85% MCR) 7150 kJ/kWh
Dry Mass - 12V51/60DF (Propulsion) 189 t
Dry Mass - 18V51/60DF (Propulsion) 265 t
Engine Cycle Four-Stroke
Emissions Compliance IMO Tier II, IMO Tier III (Gas & Diesel+SCR modes)
Fuel Flexibility Seamless switching between gas/liquid during operation
power kw 13200
rpm 500
fuel type Ammonia/MDO (Dual-Fuel)
configuration V

Related equipment 10

MAN Energy Solutions 10L21/31 same series MAN Energy Solutions 10L21/31DF same series MAN Energy Solutions 10L27/38 same series MAN Energy Solutions 10L27/38DF same series MAN Energy Solutions 10L27/38E same series MAN Energy Solutions 10L32/40 same series MAN Energy Solutions 10L32/44CR same series MAN Energy Solutions 10L32/44CR DF same series MAN Energy Solutions 10L32/44CR Methanol same series MAN Energy Solutions 10L35/44DF same series

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Common failures & inspection points

Lubricating Oil System Contamination: Extended operation with activated contamination display can lead to lube oil supply problems; running-in filter must be re
Piston Temperature Management: Crown scuffing risk if operating conditions cause thermal expansion to reduce piston-liner clearance; typically from over-fueling
Gas Fuel System Integrity: Dual-fuel systems require strict maintenance of gas supply cleanliness and pressure relief systems; hydrocarbon sensor monitoring ess
Turbocharger Boost Management: Stock turbocharger limitations at low-speed regions can compromise fuel consumption and combustion mode performance in dual-fuel
Cross-Head Bearing Maintenance: While MAN V51/60DF features optimized marine-head design for reduced service downtime, proper oil film maintenance and periodic

Type-general inspection and maintenance points for this equipment category — not model-specific.

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Equipment Model #124224 · ✓ still in production

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We know 12+ companies supplying MAN Energy Solutions 12V51/60DFAMMONIA. Tell us what you need — we obtain the quotations for you.

GOLDEN OCEAN MARINE SERVICES · EgyptGulf Turbo Solutions FZC · SingaporeLubrafil BV · NetherlandsMancraft AS · NorwayMarine Technics Baltia OÜ · EstoniaHyundai One Asia Pte. Ltd. · Singapore +6 more
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